Improvement in securing car-wheels to axles



MOLBOD e LORD-ELL. 'l AdjustebleCar Wheels.

v1\T'o..103,484. Patented Mey Z4, 1,870.

diluted guaine,

@anni mijn.

ALEXANDER MCLEoD. ANDeEoEeE GRANVILLE LoEDELL, oir WILMING- Tou, DELAWARE.

Letters Patent No. 103,484, dated May 24, 1870.

IMPROVEMENT IN SDE'URING- CAR-WHEELS TO AYXLES.

The Schedule referred to in these Letters Patent and making part of the same# We, ALEXANDER MoLEoD and GEORGE GEAN- VILLE LOBDELL, of iVilmington, county of Newcastle, State of Delaware, have invented an Improvement in Securing Oar-Wheels to Axles, of which the following is a specification.

Nature and Object of thc Invent-ion.

that, by operating the latter, the wheel may be'eiect-V ually secured to the axle by the keys forced between the same and the hub of' the wheel iu opposite directions.

Secondly, in combining with the said-keysa spindle having left and right-handed threads, and so controlled longitudinally that, on turning the said spindle,.the keys will act simultaneously and in unison from opposite directions.

Thirdly, in so arranging the screw or screws that the same cannot' move longitudinally independently of the wheel.

Description of thc Accompanying Drawing.

Figure 1 is a vertical section of a car-wheel illustrating my improvement in adjusting the same on and securing it to an axle Figure 2, a perspective view of the reversible block for determining the points of adjustment;

Figure 3, a transverse section on the line l-2,'fig. 1;

igure 4, a transverse section on the line 3 4, iig.,1; an l Figure 5, part of lig. 1, showing the wheel adjusted to a diierent position on theaxle.

General Desm'fiption. A represents the car-wheel, and

' B, the axle, a being the portion of the latter on which the' wheel has tobe secured -and adjusted, and on this part of the axle is cutla groove, b, of uniform depth, for the reception of the lower portion of the tapering keys D and D', the upper portions ofthe latter being contained in a corresponding groove in the huh EA of the wheel, and this hub being elon gated by an extension at the rear, as shown in the drawing.

These keys are inclined in contrary directions, and are adapted to corresponding reverse inclinations of their seats in thc groove of the hub.

A spindle, F, passes longitudinally through these keys, and has screw-threads adapted to internal threads in the same, the threads( for controlling one key beingV right-handed, and those for controlling the other key left-handed, so that, on turning the spindle in one direction, the keys will retreat` from euch other, and on turning it in the opposite direction will approach each other.

The spindle is embraced between its two collars c e by the forked end of the block or stud F', in such a manner that, while the spindle can be turned freely, it cannot move longitudinally independently of the wheel, for the forked block is fitted snugly in, and secured in any suitable manner to the hub.

In the absence of this block, or other equivalent device for cont-rolling the screw longitudinally, one

key might be tightened in advance of the other onv turning the spindle, whereas, by confining the. latter to the hub in the manner described, or in any other manner substantially the same, a simultaneousac tion of the keys as mediums for securing the wheel to the axle is secured.

Another block, G, is litted into'the hub ot' the wheel, and is retained therein by a split key, H, and

gunbbaud, I, the block having a projection, i, adapted to a corresponding recess in the axle.

When the block is in the position shown in tig. 1, the wheel has been adjusted for a wide-gauge track, but when the wheel has been adjusted to suit a narrow-gauge track, as shown in iig. 5, the block is reof Aadjustment on axles, to suit ,tracks of different gauges, has been a want ot' eiiective means of securing the wheels after adjustment, a single key being barely suficient for this purpose. It has been found,

however, that two keys forced between the hub ofl the wheel and the axle in contrary directions, `as shown, aiiord ample security for the purpose.`

C latins.

1. The two keys D; and D', adapted to a groove in the axle, andto a groove in the wheel, and operated simultaneously by a screw or screws, nll'suhstantally this specification in the presence of two subscribing as set forth. n witnesses. v'

2. The combination of the said keys with a. longitudinally controlled screw-spindle, having right-handed threads for one key, and lcfthnnded threads for the Witnesses as to MCLEOD:

ALEXANDER MeLEoD.

other, as set forth. I. M. OOLGAN,

3. The said screw or screws, in combination with A HARRY SMITH. the wheel, and with devices whereby any lateral GEORGE GRANVILLE LOBDELL. movement of the screws independently ofthe wheel Witnesses as to LOBDELL: is prevented.` JAMES H. CAMERON,

In testimony whereof we have signed our names to D. CHANDLER.- 

